President Barack Obama and his wife Michelle will travel to London on Tuesday, May 24, for a state visit, which will see this president attend the Horse Guards Parade for an official welcome by the Queen, and inspection of a guard of honour, then a carriage procession back to Buckingham Palace.

On Wednesday, May 25, The President of The United States will do what no other US president has done in quite some time. Mr. Obama will address both Houses of Parliament in Westminster Hall - an occasion usually reserved for British monarchs.

Other foreigners who have addressed The Houses of Parliament in Westminister Hall include Charles de Gaulle (1960), Nelson Mandela (1996) and Pope Benedict XVI (2010). Heads of state are normally received in the Queen's Robing Room or the Royal Gallery.

In 2008 Mr. Obama visited Britain while he was contending for the office of the president in an effort to seek support of various world leaders, again in 2009 as the then sitting president, he met Queen Elizabeth II while visiting Britain during the G20 Summit, held in Britain.

The Obamas will be on week-long tour of Europe where they will visit the UK, France and Poland. In France he will attend a meeting of the Group of Eight (G8) major world powers.